Confinement Strategies in a Simple SIR Model Gilberto NakamuraBasil GrammaticosMathilde Badoual OriginalPaper 21 December 2020 Pages: 509 - 521
Nondegenerate Hamiltonian Hopf Bifurcations in \(\omega:3:6\) Resonance \((\omega=1\) or \(2)\) Reza Mazrooei-SebdaniElham Hakimi OriginalPaper 21 December 2020 Pages: 522 - 536
Highly Dispersive Optical Solitons of an Equation with Arbitrary Refractive Index Nikolay A. Kudryashov OriginalPaper 21 December 2020 Pages: 537 - 543
Autotransforms for Some Differential Equations and Their Physical Applications Oleg I. BogoyavlenskijYuyang Peng OriginalPaper 21 December 2020 Pages: 544 - 552
The Tippedisk: a Tippetop Without Rotational Symmetry Simon SailerSimon R. EugsterRemco I. Leine OriginalPaper 21 December 2020 Pages: 553 - 580
Shape-invariant Neighborhoods of Nonsaddle Sets Martin ShoptrajanovNikita Shekutkovski OriginalPaper 21 December 2020 Pages: 581 - 596
Quantifying the Transition from Spiral Waves to Spiral Wave Chimeras in a Lattice of Self-sustained Oscillators Igor A. ShepelevAndrei V. BukhVadim S. Anishchenko OriginalPaper 21 December 2020 Pages: 597 - 615
Persistence of Hyperbolic-type Degenerate Lower-dimensional Invariant Tori with Prescribed Frequencies in Hamiltonian Systems Junxiang XuJiangong You OriginalPaper 21 December 2020 Pages: 616 - 650
Tangential Trapezoid Central Configurations Pengfei YuanJaume Llibre OriginalPaper 29 November 2020 Pages: 651 - 661
Rheonomic Systems with Nonlinear Nonholonomic Constraints: The Voronec Equations Federico Talamucci OriginalPaper 21 December 2020 Pages: 662 - 673
Nonequilibrium Statistical Mechanics of Weakly Ergodic Systems Valery V. Kozlov OriginalPaper 21 December 2020 Pages: 674 - 688
Dynamics of a Spherical Robot with Variable Moments of Inertia and a Displaced Center of Mass Elizaveta M. ArtemovaYury L. KaravaevEvgeny V. Vetchanin OriginalPaper 21 December 2020 Pages: 689 - 706
Dynamics of the Tippe Top on a Vibrating Base Alexey V. BorisovAlexander P. Ivanov OriginalPaper 21 December 2020 Pages: 707 - 715
On Topological Classification of Gradient-like Flows on an \(n\)-sphere in the Sense of Topological Conjugacy Vladislav E. KruglovDmitry S. MalyshevDanila D. Shubin OriginalPaper 21 December 2020 Pages: 716 - 728
Stability and Stabilization of Steady Rotations of a Spherical Robot on a Vibrating Base Alexander A. KilinElena N. Pivovarova OriginalPaper 21 December 2020 Pages: 729 - 752